*/
    public void failure(Service service) {}
  }

  /**
   * An encapsulation of all of the state that is accessed by the {@linkplain ServiceListener
   * service listeners}. This is extracted into its own object so that {@link ServiceListener} could
   * be made {@code static} and its instances can be safely constructed and added in the {@link

{* ../../docs_src/security/tutorial005_an_py310.py hl[106,108:116] *}

## Verify the `username` and data shape { #verify-the-username-and-data-shape }

We verify that we get a `username`, and extract the scopes.

        assertEquals("file.txt", file.getName(), "Name should be extracted correctly");
        assertTrue(file.getPath().endsWith("/shared/path/file.txt"), "Path should end correctly");
        assertEquals("shared", file.getShare(), "Share should be extracted correctly");
        assertNotNull(file.getParent(), "Parent should not be null");

   * chain:
   *
   * <pre>
   * Iterables.filter(Throwables.getCausalChain(e), IOException.class));
   * </pre>
   *
   * @param throwable the non-null {@code Throwable} to extract causes from
   * @return an unmodifiable list containing the cause chain starting with {@code throwable}
   * @throws IllegalArgumentException if there is a loop in the causal chain
   */

                logger.debug("Failed to access {}", fessConfig.getStorageEndpoint(), e);
            }
        }
        list.addAll(fileList);
        return list;
    }

    /**
     * Extracts the file name from a full object path.
     *
     * @param objectName the full object path
     * @return the file name portion of the path
     */
    private static String getName(final String objectName) {

	users := set.NewStringSet()
	for _, kv := range kvs {
		user := extractPathPrefixAndSuffix(string(kv.Key), prefix, path.Base(string(kv.Key)))
		users.Add(user)
	}
	return users
}

// Extract path string by stripping off the `prefix` value and the suffix,
// value, usually in the following form.
//
//	s := "config/iam/users/foo/config.json"
//	prefix := "config/iam/users/"
//	suffix := "config.json"

 *
 * <ul>
 *   <li>chaining methods which return a new {@code FluentIterable} based in some way on the
 *       contents of the current one (for example {@link #transform})
 *   <li>element extraction methods which facilitate the retrieval of certain elements (for example
 *       {@link #last})
 *   <li>query methods which answer questions about the {@code FluentIterable}'s contents (for
 *       example {@link #anyMatch})

 *
 * <ul>
 *   <li>chaining methods which return a new {@code FluentIterable} based in some way on the
 *       contents of the current one (for example {@link #transform})
 *   <li>element extraction methods which facilitate the retrieval of certain elements (for example
 *       {@link #last})
 *   <li>query methods which answer questions about the {@code FluentIterable}'s contents (for
 *       example {@link #anyMatch})

        super();
    }

    /**
     * Parses a GSA configuration XML file from the given input source.
     * This method configures a secure SAX parser and processes the XML content
     * to extract configuration information for web and file crawling.
     *
     * @param is the input source containing the GSA configuration XML
     * @throws GsaConfigException if parsing fails due to XML format issues or other errors

<a href="https://github.com/containous/traefik/releases" class="external-link" target="_blank">Download Traefik</a>, it's a single binary, you can extract the compressed file and run it directly from the terminal.

Then create a file `traefik.toml` with:

```TOML hl_lines="3"
[entryPoints]
  [entryPoints.http]
    address = ":9999"

[providers]